Home / 127,926.01-191,830.68-75,350.53

Finding the Fourth Proportional to 127,926.01, 191,830.68 and 75,350.53

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Solution

The fourth proportional to 127,926.01, 191,830.68 and 75,350.53 is: 112,991.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,926.01 : 191,830.68 = 75,350.53 : x
  2. Step 2: Convert to fraction form
    127,926.01/191,830.68 = 75,350.53/x
  3. Step 3: Cross multiply
    127,926.01x = 191,830.68 × 75,350.53
  4. Step 4: Simplify right side
    127,926.01x = 14,454,543,408.26
  5. Step 5: Solve for x
    x = 14,454,543,408.26/127,926.01
  6. Step 6: Final answer
    x = 112,991.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.